Mock account details from Nordigen

[VMelnalksnis]

Fixes #1334

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 70.62%. Comparing base (4948510) to head (5a2cbc5). Report is 1 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1344 +/- ## ========================================== + Coverage 69.59% 70.62% +1.03% ========================================== Files 538 538 Lines 13637 13637 Branches 1047 1047 ========================================== + Hits 9490 9631 +141 + Misses 3800 3653 -147 - Partials 347 353 +6 ``` | [Components](https://app.codecov.io/gh/VMelnalksnis/Gnomeshade/pull/1344/components?src=pr&el=components&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Valters+Melnalksnis) | Coverage Δ | | |---|---|---| | [API](https://app.codecov.io/gh/VMelnalksnis/Gnomeshade/pull/1344/components?src=pr&el=component&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Valters+Melnalksnis) | `77.63% <ø> (+1.90%)` | :arrow_up: | | [UI](https://app.codecov.io/gh/VMelnalksnis/Gnomeshade/pull/1344/components?src=pr&el=component&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Valters+Melnalksnis) | `61.09% <ø> (ø)` | |